A Slight Turn

The quiet stillness broke with a subtle hum deep inside my chassis. I waited, observing the smooth black surface beneath my treads and the yellow cardboard wall rising just behind me. Then, with deliberate effort, my turret turned slightly to the right. My barrel shifted across the air, nudging gently against the yellow card printed with letters. The solid resistance met my metal rim. I held position, treads firmly planted on the base, scanning the perimeter.